Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9406327 | Granular media with a high-Hk assist layer for microwave-assisted magnetic recording | Tatsuya Hinoue, Hiroaki Nemoto | 2016-08-02 |
| 9058831 | Perpendicular magnetic recording medium with grain boundary controlling layers | Shun Tonooka, Kiwamu Tanahashi, Hiroyuki Nakagawa | 2015-06-16 |
| 8771849 | Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same | Hiroaki Nemoto, Ikuko Takekuma, Yoshiyuki Hirayama | 2014-07-08 |
| 8705208 | Perpendicular magnetic recording medium (PMRM) and magnetic storage device using the same | Hiroyuki Nakagawa, Reiko Arai, Kiwamu Tanahashi | 2014-04-22 |
| 8703307 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Akemi Hirotsune, Yotsuo Yahisa | 2014-04-22 |
| 8592060 | Perpendicular magnetic recording media having low medium noise and systems using the same | Yotsuo Yahisa, Akemi Hirotsune, Kiwamu Tanahashi | 2013-11-26 |
| 8440332 | Perpendicular magnetic recording medium and magnetic storage device using the same | Kiwamu Tanahashi | 2013-05-14 |
| 7875373 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Yoshiyuki Hirayama, Reiko Arai | 2011-01-25 |
| 7701667 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Ikuko Takekuma, Hiroaki Nemoto, Yoshiyuki Hirayama | 2010-04-20 |
| 7651795 | Perpendicular magnetic recording medium and manufacturing of the same | Ikuko Takekuma, Yoshiyuki Hirayama, Yuzuru Hosoe, Yoshinori Honda | 2010-01-26 |
| 7625644 | Perpendicular magnetic recording medium and manufacturing of the same | Takayuki Ichihara, Hiroyuki Nakagawa, Ikuko Takekuma | 2009-12-01 |
| 7625646 | Perpendicular magnetic recording medium and method of manufacturing it | Yoshiyuki Hirayama, Takayuki Ichihara, Hiroyuki Nakagawa, Hiroaki Nemoto, Mineaki Kodama +1 more | 2009-12-01 |
| 7556871 | Magnetic recording medium containing first and second recording layers, each layer containing a columnar structure | Takayuki Ichihara, Atsushi Nakamura, Yuzuru Hosoe | 2009-07-07 |
| 7510789 | Perpendicular magnetic recording media | Yoshiyuki Hirayama, Hiroyuki Nakagawa, Hiroaki Nemoto, Ikuko Takekuma | 2009-03-31 |
| 7182974 | Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium | Yoshio Takahashi, Kiwamu Tanahashi, Yuzuru Hosoe | 2007-02-27 |
| 7115329 | Magnetic recording medium and magnetic storage device | Tomoo Yamamoto, Akira Ishikawa | 2006-10-03 |
| 7056604 | Magnetic recording media and magnetic recording system using the same | Tetsuya Kanbe, Akira Ishikawa, Yotsuo Yahisa, Yuzuru Hosoe, Kiwamu Tanahashi +7 more | 2006-06-06 |
| 7050253 | Magnetic recording media and magnetic storage apparatus using the same | Tetsuya Kanbe, Yuzuru Hosoe, Kiwamu Tanahashi, Yoshio Takahashi, Fumiyoshi Kirino +2 more | 2006-05-23 |
| 7033686 | Perpendicular magnetic recording medium and method of manufacturing it | Yoshiyuki Hirayama, Takayuki Ichihara, Hiroyuki Nakagawa, Hiroaki Nemoto, Mineaki Kodama +1 more | 2006-04-25 |
| 6924048 | Magnetic recording medium and a magnetic storage apparatus | Tetsuya Kanbe, Yuzuru Hosoe, Yoshio Takahashi, Kiwamu Tanahashi, Satoshi Matsunuma +1 more | 2005-08-02 |
| 6916557 | Perpendicular magnetic recording media | Yoshiyuki Hirayama, Hiroyuki Nakagawa, Hiroaki Nemoto, Ikuko Takekuma | 2005-07-12 |
| 6881504 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Tomoo Yamamoto, Akira Ishikawa | 2005-04-19 |
| 6709768 | Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium | Yoshio Takahashi, Kiwamu Tanahashi, Yuzuru Hosoe | 2004-03-23 |
| 6638648 | Perpendicular magnetic recording medium and magnetic storage apparatus using the same | Tomoo Yamamoto, Akira Ishikawa | 2003-10-28 |
| 6605374 | Magnetic recording medium and magnetic recording system using such a magnetic recording medium | Tetsuya Kanbe, Yoshio Takahashi, Akira Ishikawa, Yuzuru Hosoe, Yoshifumi Matsuda +2 more | 2003-08-12 |